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An Analysis of "Distributed Free Space" in an Operating and Data Management Systems Environment

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1 Author(s)
Y. H. Chin ; Department of Computer and Information Science, Cleveland State University

Due to subsequent insertion and deletion, the performance of a file will decline as time goes by. In order to maintain a fast response time at the expense of storage space, a technique commonly known as "within distributed free space" has been developed and used in many access methods. In this paper, a procedure to determine and preallocate the size of "within distributed free space" is presented. The optimal block size for a data storage area, which minimizes the CPU operations and I/O interruptions, is also described.

Published in:

IEEE Transactions on Software Engineering  (Volume:SE-4 ,  Issue: 5 )